`Aa n dB` are two candidates seeking admission in ITT. The probability that `A` is selected is 0.5 and the probability that `Aa n dB` are selected is at most 0.3. Is it possible that the probability of `B` getting selected is 0.9?
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A bag contains 6 red, 3 black and 6 white balls. A ball is selected at random from the bag, what is the probability that the selected ball is not red?
Correct option is: A) \(\frac{3}{5}\) There are 6 red, 3 black and 6 white balls. \(\therefore\) Total number of balls = 6 + 3 + 6 = 15. Number of balls which are not red =...
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From the month of August, a day is selected whose first day is Tuesday. Find the probability that the day selected is not a Tuesday
Correct option is: C) \(\frac {26}{31}\) Since, first day of August month is Tuesday Then 1st, 8th, 15th, 22nd & 25th days of this August month are Tuesday Total No of Tuesday in month of...
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Gita said that the probability of impossible event is 1. Pravallika said that probability of sure event is 0 and Atiya said that the probability
Correct option is: C) Atiya \(\because\) Probability of an impossible event is 0 \(\neq\) 1. Hence, the statement of Gita is wrong. Also, probability of a sure event is 1 \(\neq\) 0 Hence, the statement of Pravallika is wrong. Since, 0 \(\leq\) P \(\leq\) 1,...
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A flashlight has 8 batteries out of which 3 are dead. If two batteries selected without replacement and tested, then probability that both are dead is
Required probability=`P_(D)cdotP_(D)=3/8cdot2/7=3/28`
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Law does not provide that at the time of admission of a partner assets be revalued and liabilities reassessed. Why are the assets revalued and liabili
When a partner is admitted the assets are revalued and liabilities are reassessed. The gain (profit) or loss, as the case may be is distributed among the old partners in...
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Give two circumstances in which the sacrificing ratio is applied. (i) At the time of admission of a new partner for distributing goodwill brought in b
(i) At the time of admission of a new partner for distributing goodwill brought in by him. (ii) For adjusting goodwill in the case of change in the porfit-sharing ratio...
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Four candidates A, B, C, D have applied for the assignment ot coach a school cricket team. If A is twice as likely to be selected as B, and B and C ar
It is given that A is twice as likely to be selected as B. `therefore` P(A) = 2P(B) B and C have same chances of being selected. `therefore` P(B) =...
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A three-digit number is selected at random from the set of all three-digit numbers. The probability that the number selected has all the three digits
Correct Answer - D Three-digit numbers are 100, 101, …, 999. Total number of such numbers is 900. The three-digit numbers (which have all same digits) are 111, 222, 333, …,...
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One ticket is selected at ransom form 50 tickets numbered `00,01,02,…,49.` Then the probability that the sum of the digits on the selected ticket is 8
Correct Answer - A `S={00,01,02,....,49}` Let A be the event that the sum of the digits on the selected ticket is 8. Then `A={08,17,26,35,44}` Let B be the event that the...
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Of all the mappings that can be defined from the set `A :{1,2,3,4} to B : {5,6,7,8,9}` , a mapping is randomly selected. The chance that the selected
Correct Answer - B `(b)` Each pre-image in set `A` can be assigned any one of the `5` images from set `B` Hence total number of functions are `n(S)=5^(4)=625` For strictly...
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